Electric Ball Valves

Explosion-Proof Electric Hard-Sealed Ball Valve

Hard-sealed electric ball valves are particularly suitable for flow regulation and cutoff of various industrial media requiring high wear resistance and self-cleaning, such as pneumatic-free (mineral slurry, paper pulp) conditions.

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The innovatively improved hard-sealed flange sealing surface without screw holes enhances sealing strength, effectively eliminating potential leakage risks of hard-sealed control valve flange sealing surfaces.
Equipped with manual operation function after power failure. Simple wiring, energy-saving design, and effective reduction of comprehensive operation and production costs (effectively reducing carbon emissions).

Basic Parameters

Nominal Diameter (DN): DN15-DN350 (For larger diameters, please contact our company for detailed information)
Nominal Pressure: PN1.6～6.4MPa
Operating Power Supply: AC110V, AC220V, AC380V, DC24V
Medium Temperature: ≤450℃
Ambient Temperature: -30～60℃
Control Method: Modulating or On/Off Control
Actuation Time: 15～120 seconds (0-90°) optional
Dead Band: 0.3%～3.0% adjustable

Connection & Sealing

Connection Type: Wafer Connection, Flange Connection
Seat Type: Stainless Steel Movable Hard Seal

Material Specifications

Body & Internal Components

Body Material: WCB, SS304, SS316, SS316L
Seat Material: SS304, SS316, SS316L
Valve Core Material: SS304, SS316, SS316L

Applicable Medium

  • Mineral Slurry
  • Coal Slurry
  • Paper Slurry
  • Water
  • Oil
  • Gas

Explosion Protection

Ex db ⅡC T6 Gb
Flameproof enclosure with increased safety
Explosion Protection
Flameproof (d) + Increased Safety (b)
Gas Group
ⅡC (Hydrogen, Acetylene)
Temperature Class
T6 (≤85°C)
Equipment Protection Level
Gb (Zone 1 & 2)

Standards Compliance

Design & Manufacturing: GB/T 12237-2007
Flange Standards:
- GB/T 9124.1-2019 - GB/T 9124.2-2019 - GB17241.6-2008
Face-to-Face Dimension: GB12221-2005
Inspection Standard: GB/T 13927-2008

Installation Dimensions of Explosion-proof Electric Ball Valve

Nominal
Diameter
(DN)		 
L		 
D		 
K		 
D1		 
n-Φd		 
b		 
i		 
H		 
W1		 
W2
mmin
151/2″1309565454-Φ14142220204141
203/4″13010575554-Φ14162222204141
251″14211385654-Φ14182230204141
321-1/4″165140100784-Φ18182244204141
401-1/2″165150110854-Φ18182245204141
502″2031651251004-Φ18202294252163
652-1/2″2221851451208-Φ18202340252163
803″2412001601358-Φ18212360293184
1004″3052201801558-Φ18222379293184
1255″3562502101848-Φ18223432293184
1506″3942852402108-Φ23243442293184
2008″45734029526512-Φ23263507293184

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